/Engine/Source/Runtime/MovieScene/Public/Channels/MovieSceneChannelProxy.h
Access all the extended data for the templated channel type
A potentially empty array view for all the extended editor data for the template channel type
template<typename ChannelType> [TArrayView](API\Runtime\Core\Containers\TArrayView)< const typename [TMovieSceneChannelTraits](API\Runtime\MovieScene\Channels\TMovieSceneChannelTraits)< ChannelType >::ExtendedEditorDataType > GetAllExtendedEditorData() const